/Engine/Source/Editor/UnrealEd/Public/Kismet2/KismetDebugUtilities.h
Find the node that resulted in code at the specified location in the Object, or NULL if there was a problem (e.g., no debugging information was generated)
static [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * FindSourceNodeForCodeLocation ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * Object, [UFunction](API\Runtime\CoreUObject\UObject\UFunction) * Function, int32 DebugOpcodeOffset, bool bAllowImpreciseHit )